package com.designpatterns.observer.observer;

import com.designpatterns.observer.subject.Citizen;

/**
 * Policeman Interface 
 * @see Citizen
 *
 * @author Haiqi.Wang
 * @since 2013-6-9下午5:24:45
 */
public interface Policeman {
	/**
	 * action method
	 * @param ci {@link Citizen}
	 */
	void action(Citizen ci);
}
